'use strict';
const {
  Model
} = require('sequelize');
module.exports = (sequelize, DataTypes) => {
  class Article extends Model { //文章表
    /**
     * Helper method for defining associations.
     * This method is not a part of Sequelize lifecycle.
     * The `models/index` file will call this method automatically.
     */
    static associate(models) {
      // define association here
    }
  }
  Article.init({
    title: {
        type:DataTypes.STRING,
        //表单验证  如果不符合验证规则可以被catch语句捕获错误
        allowNull:false,
        validate:{
          notNull:{
            msg:'标题必须存在'
          },
          notEmpty:{
            msg:'标题不能为空'
          },
          len:{
            args:[2,45],
            msg:'标题长度在2-45个字符之间'
          }
        }
      },
    content: DataTypes.TEXT
  }, {
    sequelize,
    modelName: 'Article',
  });
  return Article;
};